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2026-01-07 - 21:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Wed Jan 07, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750610,0irq/25-eth00-21swapper/107:06:341
120650600,0irq/26-eth1-rx-0-21swapper/307:08:233
112750540,0irq/25-eth00-21swapper/207:07:392
9950500,0irq/24-0000:00:0-21swapper/007:05:140
1690699160,0cyclictest0-21swapper/012:13:260
1690699159,0cyclictest0-21swapper/010:16:130
1690699150,0cyclictest0-21swapper/011:09:460
16909991412,0cyclictest0-21swapper/312:19:073
16909991411,0cyclictest0-21swapper/309:25:323
1690999140,0cyclictest0-21swapper/308:45:113
16908991412,0cyclictest0-21swapper/209:20:132
1690899141,0cyclictest0-21swapper/210:22:222
16907991413,0cyclictest0-21swapper/112:13:121
16906991410,0cyclictest0-21swapper/011:35:200
1690699140,0cyclictest5631-21sshd10:55:190
1690699140,0cyclictest5160-21sshd12:24:550
1690699140,0cyclictest3487-21bash10:55:000
1690699140,0cyclictest1789-21munin-node07:45:090
1690699140,0cyclictest0-21swapper/009:48:000
1690699140,0cyclictest0-21swapper/009:35:410
1690699140,0cyclictest0-21swapper/007:25:190
16909991312,0cyclictest0-21swapper/309:45:533
16909991311,0cyclictest0-21swapper/309:20:133
1690999130,0cyclictest16352-21sshd10:49:043
16908991312,0cyclictest0-21swapper/211:46:282
16908991311,0cyclictest0-21swapper/209:55:252
1690899130,0cyclictest2426-21sshd12:23:592
1690899130,0cyclictest0-21swapper/212:35:572
1690899130,0cyclictest0-21swapper/211:23:562
1690899130,0cyclictest0-21swapper/210:34:342
1690799130,0cyclictest0-21swapper/112:09:371
1690799130,0cyclictest0-21swapper/110:36:271
16906991312,0cyclictest0-21swapper/012:00:110
16906991311,0cyclictest0-21swapper/011:27:330
16906991311,0cyclictest0-21swapper/008:15:170
16906991310,0cyclictest0-21swapper/011:51:010
1690699130,0cyclictest8938-21diskmemload11:55:190
1690699130,0cyclictest8173-21gzip09:05:190
1690699130,0cyclictest3169-21needreboot08:55:170
1690699130,0cyclictest20414-21sshd10:40:170
1690699130,0cyclictest18300-21unixbench_singl10:10:210
1690699130,0cyclictest18232-21sshd10:20:170
1690699130,0cyclictest14400-21latency08:10:160
1690699130,0cyclictest13724-21rm09:11:010
1690699130,0cyclictest12635-21cp11:47:060
1690699130,0cyclictest0-21swapper/011:10:230
191120,0ktimersoftd/10-21swapper/111:02:141
191120,0ktimersoftd/10-21swapper/111:02:141
16909991212,0cyclictest0-21swapper/311:43:403
16909991212,0cyclictest0-21swapper/310:57:263
16909991212,0cyclictest0-21swapper/310:30:433
16909991211,0cyclictest31008-21sshd11:52:523
16909991211,0cyclictest0-21swapper/311:37:243
16909991211,0cyclictest0-21swapper/310:35:363
16909991210,0cyclictest27688-21sshd11:21:503
16909991210,0cyclictest0-21swapper/312:27:013
16909991210,0cyclictest0-21swapper/310:09:563
1690999120,0cyclictest0-21swapper/311:34:303
1690999120,0cyclictest0-21swapper/311:34:303
1690999120,0cyclictest0-21swapper/311:09:243
1690999120,0cyclictest0-21swapper/310:40:433
1690899129,0cyclictest0-21swapper/211:06:092
16908991211,0cyclictest0-21swapper/211:34:092
16908991211,0cyclictest0-21swapper/211:34:092
16908991211,0cyclictest0-21swapper/210:37:002
16908991211,0cyclictest0-21swapper/209:51:132
16908991210,0cyclictest0-21swapper/211:29:022
16908991210,0cyclictest0-21swapper/210:58:502
16908991210,0cyclictest0-21swapper/209:17:322
1690899120,0cyclictest0-21swapper/212:08:112
1690899120,0cyclictest0-21swapper/212:02:092
1690899120,0cyclictest0-21swapper/211:01:172
1690899120,0cyclictest0-21swapper/211:01:172
1690899120,0cyclictest0-21swapper/209:37:112
16907991211,0cyclictest0-21swapper/112:00:261
16907991210,0cyclictest0-21swapper/109:51:081
16907991210,0cyclictest0-21swapper/109:43:061
1690799120,0cyclictest0-21swapper/111:54:231
1690799120,0cyclictest0-21swapper/111:38:561
1690699128,0cyclictest1539-21sshd10:35:300
16906991211,0cyclictest0-21swapper/010:28:110
16906991210,0cyclictest0-21swapper/010:47:000
16906991210,0cyclictest0-21swapper/009:50:120
1690699120,0cyclictest8938-21diskmemload10:30:430
1690699120,0cyclictest8938-21diskmemload09:15:220
1690699120,0cyclictest5416-21munin-node07:50:210
1690699120,0cyclictest5416-21munin-node07:50:200
1690699120,0cyclictest4855-21cpu11:15:100
1690699120,0cyclictest304042sleep011:32:390
1690699120,0cyclictest304042sleep011:32:390
1690699120,0cyclictest30218-21df08:45:100
1690699120,0cyclictest15312-21sed09:40:220
1690699120,0cyclictest12181-21awk09:20:160
1690699120,0cyclictest0-21swapper/012:39:350
1690699120,0cyclictest0-21swapper/010:00:130
1690699120,0cyclictest0-21swapper/009:57:170
1690699120,0cyclictest0-21swapper/009:30:100
1690699120,0cyclictest0-21swapper/008:00:230
271110,0ktimersoftd/20-21swapper/211:40:402
1690999119,0cyclictest0-21swapper/307:27:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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